/**
 * @projectName: com.xiayuanxing.designPattern
 * @className: TVReceiver
 * @author: xiayuanxing
 * @description: TODO
 * @date: 2022/1/5 9:23
 * @version: 1.0
 */
public class TVReceiver {

    public void on(){
        System.out.println("电视机打开了~~~");
    }


    public void off(){
        System.out.println("电视机关闭了~~~");
    }
}
